Across
- 3. The name of the single landmass; Before continental drift
- 5. A thick, not dense crust under land
- 7. The very center of the Earth, liquid material made of Nickel and Iron
- 9. Plate boundary when two plates slide against each other; Causes earthquakes
- 10. German geophysicist and meteorologist responsible for the theory of Continental Drift
- 11. Plate boundary when two plates move away from each other; Forms volcanoes
Down
- 1. Soft, tar-like layer of the Earth, moves through convection currents
- 2. The very center of the Earth, solid, made of iron
- 4. Hot material; lava
- 5. Plate boundary when two plates come together; Forms mountains
- 6. The very outside layer of the Earth, two types
- 8. A dense, thin crust at the bottom of the ocean